# Buick Mine/Mill

- **MSHA mine ID:** 2300457
- **Status:** Active
- **Type / commodity:** Underground / Lead-Zinc Ore
- **Location:** Iron, MO
- **Operator:** Doe Run Company
- **Controller:** Renco Group Inc
- **Public source rows linked:** 7,533
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Renco Group Inc (M10271) → Doe Run Company (L13463) → Buick Mine/Mill (2300457)**

Current identity source: `msha-mines`. This is a current snapshot, not a historical claim.

## Controller and operator valid-time history

- **Amax Inc et al → Amax Lead Company Of Missouri:** 1950-01-01 through 1986-05-31; derived from co-tenure at mine 2300457; source `msha-controller-operator-history`.
- **Homestake Mining Company → Homestake Lead Company Of Missouri:** 1986-06-01 through 1986-10-31; derived from co-tenure at mine 2300457; source `msha-controller-operator-history`.
- **Fluor Corp → Doe Run Company:** 1986-11-01 through 1994-04-03; derived from co-tenure at mine 2300457; source `msha-controller-operator-history`.
- **Renco Group Inc → Doe Run Company:** 1994-04-04 through current/open; derived from co-tenure at mine 2300457; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 12
- Interval anomalies: 0
- Valid-time bounds: inclusive; date granularity; null end means open-ended in the upstream history row; not independent proof of present control.
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 26 since 2021:** Accidents and injuries 158 historical accident/injury rows; 0 coded fatalities and 2,585 lost days across the published record.
2. **COMPLIANCE — 272 since 2021:** Violations and penalties 1,565 violation rows across the full record; 411 carry an S&S flag and $745,674 appears in current assessed amounts.
3. **HEALTH — 582 samples:** Occupational health samples 576 personal; 6 area. 48 personal-sample rows have a published C/E ratio above 1; 0 noise rows have an action-level or PEL dose above 100%. These are separate measures, not a silica exceedance count. Silica results and sample status are shown separately.
4. **PRODUCTION — 0 tons:** Quarterly production and employment 36K employee hours and 88 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 241 linked rows:** Contests, conferences and decisions 105 contested-violation rows, 106 civil-penalty docket/decision rows, and 30 conference records linked by issuance number.
6. **CONTRACTORS — 13 linked entities:** Contractors Contractors are linked through this mine’s violation or accident records. Their production and hours cover all their operations, so they are not included in this mine’s totals.
7. **INSPECTIONS — 55 since 2021:** Inspections 282 inspection events and 11K published inspection hours across the historical record.

## EIA annual operating context

No matched record in the 2024 EIA coal-public workbook. This may be inapplicable for a non-coal operation.

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 57.17001 — Illumination of surface working areas.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-P/section-57.17001
- **30 CFR 56.12021 — Danger signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12021
- **30 CFR 56.4602 — Gauges and regulators.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4602
- **30 CFR 56.14207 — Parking procedures for unattended equipment.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207
- **30 CFR 56.13021 — High-pressure hose connections.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-L/section-56.13021
- **30 CFR 56.16001 — Stacking and storage of materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16001
- **30 CFR 56.12030 — Correction of dangerous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12030
- **30 CFR 56.12004 — Electrical conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 56.12034 — Guarding around lights.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12034
- **30 CFR 56.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **30 CFR 56.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032

## Source coverage

- **Accident, Injuries, and Illnesses:** 158 rows; 2000-04-07 through 2026-09-11; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1987-01-23 through 1987-01-23; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 6 rows; 2014-10-28 through 2015-08-26; source ID `msha-area-samples`
- **Assessed Violations:** 1,549 rows; 2000-03-07 through 2026-07-30; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 106 rows; 2001-05-23 through 2026-08-24; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 30 rows; 2000-05-01 through 2026-01-07; source ID `msha-conferences`
- **Contested Violations:** 105 rows; 2008-05-19 through 2026-03-04; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 2,192 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 447 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1950-01-01 through 1994-04-04; source ID `msha-controller-operator-history`
- **Inspections:** 282 rows; 2000-01-06 through 2026-09-11; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 412 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 99 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Metal and Nonmetal Personal Health Samples:** 576 rows; 2001-09-04 through 2026-03-04; source ID `msha-personal-health-samples`
- **Violations:** 1,565 rows; 2000-03-07 through 2026-07-30; source ID `msha-violations`

## Caveats

- This is public-record decision support, not legal advice or an official MSHA record.
- Missing data can indicate no event, publication delay, an unresolved identity, or inapplicability.
- Contractor production data is entity-level and is not attributed to this mine.

## Alternate representations

- HTML: `/mines/buick-mine-mill-2300457`
- JSON: `/api/v1/mines/buick-mine-mill-2300457`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2300457/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2300457/relationships`
- MCP resource: `mine://2300457/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`